Disease ReservoirsFresh WaterRodentiaZoonosesAnimals, WildPhytoplanktonEutrophicationCladoceraVirus LatencyRiversWater MicrobiologyPhylogenyRodent DiseasesChiropteraPopulation DensityZooplanktonBrazilSeasonsPeromyscusWater MovementsHantavirus InfectionsWater SupplyUrinary Reservoirs, ContinentDisease VectorsHantavirusEnvironmental MonitoringHIV-1Sequence Analysis, DNAIleostomyRotiferaPolymerase Chain ReactionAnimals, DomesticFecesCopepodaPetroleumArvicolinaeHIV InfectionsDNA, BacterialGeologyBartonella InfectionsMolecular Sequence DataEcosystemTicksProctocolectomy, RestorativeDog DiseasesCarrier StateCommunicable Diseases, EmergingBiodiversityCylindrospermopsisMuridaeIxodesCD4-Positive T-LymphocytesDogsInsect VectorsPopulation DynamicsTick InfestationsHantavirus Pulmonary SyndromeBartonellaEcologyVirus ReplicationUrinary DiversionArgentinaFishesDeerSigmodontinaeGeologic SedimentsEnvironmental MicrobiologyBirdsAnti-HIV AgentsMicrocystisAnal CanalArachnid VectorsDisease OutbreaksLakesAntiretroviral Therapy, Highly ActiveCattleBiomassFuel OilsGeographyLeishmania infantumRectumRaccoonsViral LoadGenetic VariationRNA, Ribosomal, 16SVirus ActivationInfluenza in BirdsBuffaloesClimatic ProcessesSpecies SpecificityAnseriformesWater PollutionMicrocystinsCluster AnalysisHIVCattle DiseasesTropical ClimateEndemic DiseasesArthropod VectorsParaguay